//-------------------------------------------------------------------------
//   Copyright 2002-2022 National Technology & Engineering Solutions of
//   Sandia, LLC (NTESS).  Under the terms of Contract DE-NA0003525 with
//   NTESS, the U.S. Government retains certain rights in this software.
//
//   This file is part of the Xyce(TM) Parallel Electrical Simulator.
//
//   Xyce(TM) is free software: you can redistribute it and/or modify
//   it under the terms of the GNU General Public License as published by
//   the Free Software Foundation, either version 3 of the License, or
//   (at your option) any later version.
//
//   Xyce(TM) is distributed in the hope that it will be useful,
//   but WITHOUT ANY WARRANTY; without even the implied warranty of
//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//   GNU General Public License for more details.
//
//   You should have received a copy of the GNU General Public License
//   along with Xyce(TM).
//   If not, see <http://www.gnu.org/licenses/>.
//-------------------------------------------------------------------------

//-------------------------------------------------------------------------
//
// Purpose        : Forward declarations
//
// Special Notes  : Forward declaring everything as a class breaks if the implementation of the type changes (like during
//                  templatization)
//
// Creator        : David G. Baur  Raytheon  Sandia National Laboratories 1355 
//
// Creation Date  : 2013/04/18 18:01:27
//
//-------------------------------------------------------------------------

#ifndef Xyce_N_PDS_fwd_h
#define Xyce_N_PDS_fwd_h

#ifdef Xyce_PARALLEL_MPI
#include <mpi.h>
#else
static const int MPI_COMM_NULL = -1;
struct MPI_Op 
{};

#endif

namespace Xyce {
namespace Parallel {

#ifdef Xyce_PARALLEL_MPI
typedef MPI_Comm Machine;
#else
typedef int Machine;
#endif

class ParMap;
class Communicator;
class GlobalAccessor;
class Manager;
struct ReduceInterface;
struct Sum;

} // namespace Parallel
} // namespace Xyce


#endif // Xyce_N_PDS_fwd_h

